Agonum affine

{{short description|Species of beetle}}

{{Speciesbox

|image=

|taxon=Agonum affine

|authority=Kirby, 1837

|synonyms=

• Agonum carbo (LeConte, 1850)

}}

Agonum affine is a species of ground beetle in the Platyninae subfamily. It was described by William Forsell Kirby in 1837 and is endemic to the United States.{{Cite web| title=Agonum affine Kirby, 1837 | url=https://www.catalogueoflife.org/data/taxon/65SSV | website=Catalogue of Life | access-date=2023-04-08 }}